*SUPPORT*
IN: wif kiki dax gazzer OUT: BLUE GREEN BLUE GREEN BLUE GREEN BLUE GREEN
IN: fep wif dax kiki fep OUT: PURPLE BLUE GREEN PURPLE
IN: fep dax kiki lug OUT: PURPLE GREEN RED
IN: dax kiki wif gazzer OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: dax OUT: GREEN
IN: lug kiki fep OUT: RED PURPLE
IN: wif kiki wif gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug tufa OUT: RED RED RED
IN: wif kiki fep OUT: BLUE PURPLE
IN: lug dax OUT: RED GREEN
IN: lug OUT: RED
IN: fep kiki lug OUT: PURPLE RED
IN: dax kiki wif OUT: GREEN BLUE
IN: wif gazzer OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: fep fep tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif kiki dax OUT: BLUE GREEN
IN: fep dax gazzer OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: lug fep kiki lug OUT: RED PURPLE RED
IN: dax dax kiki lug OUT: GREEN GREEN RED
IN: fep kiki fep OUT: PURPLE PURPLE
IN: wif OUT: BLUE
IN: fep tufa OUT: PURPLE PURPLE PURPLE
IN: lug gazzer OUT: RED RED RED RED
IN: fep OUT: PURPLE

*GRAMMAR*
dax -> GREEN 
 wif -> BLUE 
 fep -> PURPLE 
 lug -> RED 
 x1 tufa -> [x1] [x1] [x1] 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 